| Name of Satellite, Alternate Names | Galileo IOV-1 PFM |
| Country of Operator/Owner | ESA |
| Operator/Owner | European Space Agency |
| Users | Commercial |
| Purpose | Navigation/Global Positioning |
| Class of Orbit | MEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 23240 |
| Apogee (km) | 23306 |
| Eccentricity | 0.00111324764699929 |
| Inclination (degrees) | 54.68 |
| Period (minutes) | 846.88 |
| Launch Mass (kg.) | 700 |
| Dry Mass (kg.) | |
| Power (watts) | 1420 |
| Date of Launch | 21-10-2011 |
| Expected Lifetime | 12 yrs. |
| Contractor | Astrium/Thales Alenia Space |
| Country of Contractor | Germany/UK/Italy |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Soyuz-Fregat |
| COSPAR Number | 2011-060A |
| NORAD Number | 37846 |
| Comments | Operational nucleus of the full 30-satellite constellation. |